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1/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
2/*
3 * This file is provided under a dual BSD/GPLv2 license. When using or
4 * redistributing this file, you may do so under either license.
5 *
6 * Copyright(c) 2018 Intel Corporation
7 */
8
9#ifndef __INCLUDE_SOUND_SOF_CONTROL_H__
10#define __INCLUDE_SOUND_SOF_CONTROL_H__
11
12#include <uapi/sound/sof/header.h>
13#include <sound/sof/header.h>
14
15/*
16 * Component Mixers and Controls
17 */
18
19/* channel positions - uses same values as ALSA */
20enum sof_ipc_chmap {
21 SOF_CHMAP_UNKNOWN = 0,
22 SOF_CHMAP_NA, /**< N/A, silent */
23 SOF_CHMAP_MONO, /**< mono stream */
24 SOF_CHMAP_FL, /**< front left */
25 SOF_CHMAP_FR, /**< front right */
26 SOF_CHMAP_RL, /**< rear left */
27 SOF_CHMAP_RR, /**< rear right */
28 SOF_CHMAP_FC, /**< front centre */
29 SOF_CHMAP_LFE, /**< LFE */
30 SOF_CHMAP_SL, /**< side left */
31 SOF_CHMAP_SR, /**< side right */
32 SOF_CHMAP_RC, /**< rear centre */
33 SOF_CHMAP_FLC, /**< front left centre */
34 SOF_CHMAP_FRC, /**< front right centre */
35 SOF_CHMAP_RLC, /**< rear left centre */
36 SOF_CHMAP_RRC, /**< rear right centre */
37 SOF_CHMAP_FLW, /**< front left wide */
38 SOF_CHMAP_FRW, /**< front right wide */
39 SOF_CHMAP_FLH, /**< front left high */
40 SOF_CHMAP_FCH, /**< front centre high */
41 SOF_CHMAP_FRH, /**< front right high */
42 SOF_CHMAP_TC, /**< top centre */
43 SOF_CHMAP_TFL, /**< top front left */
44 SOF_CHMAP_TFR, /**< top front right */
45 SOF_CHMAP_TFC, /**< top front centre */
46 SOF_CHMAP_TRL, /**< top rear left */
47 SOF_CHMAP_TRR, /**< top rear right */
48 SOF_CHMAP_TRC, /**< top rear centre */
49 SOF_CHMAP_TFLC, /**< top front left centre */
50 SOF_CHMAP_TFRC, /**< top front right centre */
51 SOF_CHMAP_TSL, /**< top side left */
52 SOF_CHMAP_TSR, /**< top side right */
53 SOF_CHMAP_LLFE, /**< left LFE */
54 SOF_CHMAP_RLFE, /**< right LFE */
55 SOF_CHMAP_BC, /**< bottom centre */
56 SOF_CHMAP_BLC, /**< bottom left centre */
57 SOF_CHMAP_BRC, /**< bottom right centre */
58 SOF_CHMAP_LAST = SOF_CHMAP_BRC,
59};
60
61/* control data type and direction */
62enum sof_ipc_ctrl_type {
63 /* per channel data - uses struct sof_ipc_ctrl_value_chan */
64 SOF_CTRL_TYPE_VALUE_CHAN_GET = 0,
65 SOF_CTRL_TYPE_VALUE_CHAN_SET,
66 /* component data - uses struct sof_ipc_ctrl_value_comp */
67 SOF_CTRL_TYPE_VALUE_COMP_GET,
68 SOF_CTRL_TYPE_VALUE_COMP_SET,
69 /* bespoke data - uses struct sof_abi_hdr */
70 SOF_CTRL_TYPE_DATA_GET,
71 SOF_CTRL_TYPE_DATA_SET,
72};
73
74/* control command type */
75enum sof_ipc_ctrl_cmd {
76 SOF_CTRL_CMD_VOLUME = 0, /**< maps to ALSA volume style controls */
77 SOF_CTRL_CMD_ENUM, /**< maps to ALSA enum style controls */
78 SOF_CTRL_CMD_SWITCH, /**< maps to ALSA switch style controls */
79 SOF_CTRL_CMD_BINARY, /**< maps to ALSA binary style controls */
80};
81
82/* generic channel mapped value data */
83struct sof_ipc_ctrl_value_chan {
84 uint32_t channel; /**< channel map - enum sof_ipc_chmap */
85 uint32_t value;
86} __packed;
87
88/* generic component mapped value data */
89struct sof_ipc_ctrl_value_comp {
90 uint32_t index; /**< component source/sink/control index in control */
91 union {
92 uint32_t uvalue;
93 int32_t svalue;
94 };
95} __packed;
96
97/* generic control data */
98struct sof_ipc_ctrl_data {
99 struct sof_ipc_reply rhdr;
100 uint32_t comp_id;
101
102 /* control access and data type */
103 uint32_t type; /**< enum sof_ipc_ctrl_type */
104 uint32_t cmd; /**< enum sof_ipc_ctrl_cmd */
105 uint32_t index; /**< control index for comps > 1 control */
106
107 /* control data - can either be appended or DMAed from host */
108 struct sof_ipc_host_buffer buffer;
109 uint32_t num_elems; /**< in array elems or bytes for data type */
110 uint32_t elems_remaining; /**< elems remaining if sent in parts */
111
112 uint32_t msg_index; /**< for large messages sent in parts */
113
114 /* reserved for future use */
115 uint32_t reserved[6];
116
117 /* control data - add new types if needed */
118 union {
119 /* channel values can be used by volume type controls */
120 DECLARE_FLEX_ARRAY(struct sof_ipc_ctrl_value_chan, chanv);
121 /* component values used by routing controls like mux, mixer */
122 DECLARE_FLEX_ARRAY(struct sof_ipc_ctrl_value_comp, compv);
123 /* data can be used by binary controls */
124 DECLARE_FLEX_ARRAY(struct sof_abi_hdr, data);
125 };
126} __packed;
127
128/** Event type */
129enum sof_ipc_ctrl_event_type {
130 SOF_CTRL_EVENT_GENERIC = 0, /**< generic event */
131 SOF_CTRL_EVENT_GENERIC_METADATA, /**< generic event with metadata */
132 SOF_CTRL_EVENT_KD, /**< keyword detection event */
133 SOF_CTRL_EVENT_VAD, /**< voice activity detection event */
134};
135
136/**
137 * Generic notification data.
138 */
139struct sof_ipc_comp_event {
140 struct sof_ipc_reply rhdr;
141 uint16_t src_comp_type; /**< COMP_TYPE_ */
142 uint32_t src_comp_id; /**< source component id */
143 uint32_t event_type; /**< event type - SOF_CTRL_EVENT_* */
144 uint32_t num_elems; /**< in array elems or bytes for data type */
145
146 /* reserved for future use */
147 uint32_t reserved[8];
148
149 /* control data - add new types if needed */
150 union {
151 /* data can be used by binary controls */
152 struct sof_abi_hdr data[0];
153 /* event specific values */
154 uint32_t event_value;
155 };
156} __packed;
157
158#endif